1 files changed, 1 insertions, 1 deletions
diff --git a/lib/bitops.h b/lib/bitops.h
index c0ad1a70..82bef699 100644
--- a/lib/bitops.h
+++ b/lib/bitops.h
@@ -19,7 +19,7 @@
  */
 
 u32 u32_mkmask(uint n);
-int u32_masklen(u32 x);
+uint u32_masklen(u32 x);
 
 u32 u32_log2(u32 v);